Antibiotic prescribing for acute, non-complicated infections in primary care in Germany: baseline assessment in the cluster randomized trial ARena

Table 2 Results of the logistic mixed effects regression model for prescribing of antibiotics in PCNs for acute non-complicated respiratory tract infections

	Odds ratio	Lower CI limit	Upper CI limit	Standard error	p-value
Otolaryngologists vs general practitioner	0.465	0.302	0.719	0.222	< 0.001
Pediatrician vs general practitioner	0.369	0.135	1.011	0.514	0.053
Other specialty groups vs general practitioner	0.251	0.075	0.844	0.618	0.026
Increasingly urbanized vs rural location	0.832	0.512	1.351	0.248	0.457
Urban vs rural location	0.901	0.693	1.192	0.138	0.489
PCN size medium vs small	0.960	0.634	1.453	0.212	0.846
PCN size large vs small	1.009	0.671	1.517	0.208	0.967
Patient age < 18 vs 18–65	0.771	0.636	0.933	0.098	0.008
Patient age > 65 vs 18–65	1.077	0.967	1.200	0.055	0.179
Female patients vs male patients	1.293	1.201	1.392	0.038	< 0.001
Charlson Index 1 and 2 vs 0	1.562	1.436	1.700	0.043	< 0.001
Charlson Index 3 and 4 vs 0	1.662	1.435	1.925	0.075	< 0.001
Charlson Index > = 5 vs 0	1.760	1.505	2.059	0.080	< 0.001

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